Kneipp, Katrin, Steven R. Emory, and Shuming Nie. “Single-Molecule Raman Spectroscopy – Fact or Fiction? Columna Analytica”. CHIMIA 53, no. 1-2 (February 24, 1999): 35. Accessed March 29, 2024. https://www.chimia.ch/chimia/article/view/1999_035.